1/*
  2 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
  3 * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
  4 *
  5 * This software is available to you under a choice of one of two
  6 * licenses.  You may choose to be licensed under the terms of the GNU
  7 * General Public License (GPL) Version 2, available from the file
  8 * COPYING in the main directory of this source tree, or the
  9 * OpenIB.org BSD license below:
 10 *
 11 *     Redistribution and use in source and binary forms, with or
 12 *     without modification, are permitted provided that the following
 13 *     conditions are met:
 14 *
 15 *      - Redistributions of source code must retain the above
 16 *        copyright notice, this list of conditions and the following
 17 *        disclaimer.
 18 *
 19 *      - Redistributions in binary form must reproduce the above
 20 *        copyright notice, this list of conditions and the following
 21 *        disclaimer in the documentation and/or other materials
 22 *        provided with the distribution.
 23 *
 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 31 * SOFTWARE.
 32 */
 33
 34#ifndef MTHCA_USER_H
 35#define MTHCA_USER_H
 36
 37#include <linux/types.h>
 38
 39/*
 40 * Increment this value if any changes that break userspace ABI
 41 * compatibility are made.
 42 */
 43#define MTHCA_UVERBS_ABI_VERSION	1
 44
 45/*
 46 * Make sure that all structs defined in this file remain laid out so
 47 * that they pack the same way on 32-bit and 64-bit architectures (to
 48 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 49 * In particular do not use pointer types -- pass pointers in __u64
 50 * instead.
 51 */
 52
 53struct mthca_alloc_ucontext_resp {
 54	__u32 qp_tab_size;
 55	__u32 uarc_size;
 56};
 57
 58struct mthca_alloc_pd_resp {
 59	__u32 pdn;
 60	__u32 reserved;
 61};
 62
 63struct mthca_reg_mr {
 64/*
 65 * Mark the memory region with a DMA attribute that causes
 66 * in-flight DMA to be flushed when the region is written to:
 67 */
 68#define MTHCA_MR_DMASYNC	0x1
 69	__u32 mr_attrs;
 70	__u32 reserved;
 71};
 72
 73struct mthca_create_cq {
 74	__u32 lkey;
 75	__u32 pdn;
 76	__u64 arm_db_page;
 77	__u64 set_db_page;
 78	__u32 arm_db_index;
 79	__u32 set_db_index;
 80};
 81
 82struct mthca_create_cq_resp {
 83	__u32 cqn;
 84	__u32 reserved;
 85};
 86
 87struct mthca_resize_cq {
 88	__u32 lkey;
 89	__u32 reserved;
 90};
 91
 92struct mthca_create_srq {
 93	__u32 lkey;
 94	__u32 db_index;
 95	__u64 db_page;
 96};
 97
 98struct mthca_create_srq_resp {
 99	__u32 srqn;
100	__u32 reserved;
101};
102
103struct mthca_create_qp {
104	__u32 lkey;
105	__u32 reserved;
106	__u64 sq_db_page;
107	__u64 rq_db_page;
108	__u32 sq_db_index;
109	__u32 rq_db_index;
110};
111
112#endif /* MTHCA_USER_H */